Scheduling memory access on a distributed cloud storage network

Roberto Rojas-Cessa, Lin Cai, Taweesak Kijkanjanarat

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

Memory-access speed continues falling behind the growing speeds of network transmission links. High-speed network links provide a means to connect memory placed in hosts, located in different corners of the network. These hosts are called storage system units (SSUs), where data can be stored. Cloud storage provided with a single server can facilitate large amounts of storage to a user, however, at low access speeds. A distributed approach to cloud storage is an attractive solution. In a distributed cloud, small high-speed memories at SSUs can potentially increase the memory access speed for data processing and transmission. However, the latencies of each SSUs may be different. Therefore, the selection of SSUs impacts the overall memory access speed. This paper proposes a latency-aware scheduling scheme to access data from SSUs. This scheme determines the minimum latency requirement for a given dataset and selects available SSUs with the required latencies. Furthermore, because the latencies of some selected SSUs may be large, the proposed scheme notifies SSUs in advance of the expected time to perform data access. The simulation results show that the proposed scheme achieves faster access speeds than a scheme that randomly selects SSUs and another hat greedily selects SSUs with small latencies.

Original languageEnglish (US)
Title of host publication2012 21st Annual Wireless and Optical Communications Conference, WOCC 2012
Pages71-76
Number of pages6
DOIs
StatePublished - 2012
Event2012 21st Annual Wireless and Optical Communications Conference, WOCC 2012 - Kaohsiung, Taiwan, Province of China
Duration: Apr 19 2012Apr 21 2012

Publication series

Name2012 21st Annual Wireless and Optical Communications Conference, WOCC 2012

Other

Other2012 21st Annual Wireless and Optical Communications Conference, WOCC 2012
CountryTaiwan, Province of China
CityKaohsiung
Period4/19/124/21/12

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications

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